* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
#app {
  font-family: 'STXinwei', 'Microsoft YaHei', Arial, sans-serif;
  font-size: 16px;
  color: #333;
  width: 100vw;
  height: 100vh;
}
body {
  line-height: 1.6;
}
a {
  color: #1989fa;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
ul,
ol {
  list-style: none;
  padding: 0;
  margin: 0;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
